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| author | Alex Shi <alex.shi@linaro.org> | 2016-12-12 22:17:37 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-12-12 22:17:37 +0800 |
| commit | 2f0de5192ae332ff270b2fc30594e4d67002d59b (patch) | |
| tree | 475fcbdaf94fdc1bc32c1527d448f702d5c18770 /net/ipv4/ping.c | |
| parent | bdcf7d8df4cfa7f99423da161019b964f7ce2520 (diff) | |
| parent | a057484ab40ff81f22a94bb62c035c78b5abd940 (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'net/ipv4/ping.c')
| -rw-r--r-- | net/ipv4/ping.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 0d5278ca4777..cd2cf3515c66 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -660,6 +660,10 @@ int ping_common_sendmsg(int family, struct msghdr *msg, size_t len, if (len > 0xFFFF) return -EMSGSIZE; + /* Must have at least a full ICMP header. */ + if (len < icmph_len) + return -EINVAL; + /* * Check the flags. */ |